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Benzyl carbazate → N'-(1,1,2-trimethyl-1,1a,5,5a-tetrahydro-3-thia-cyclopropa[a]pentalene-4-carbonyl)-hydrazinecarboxylic acid benzyl ester

HRID 2366115
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HRID 2366115 반응식
[CH3:1][C:2]1([CH3:15])[C@@H:4]2[CH2:5][C:6]3[C:10]([C@H:3]12)=[C:9]([CH3:11])[S:8][C:7]=3[C:12]([OH:14])=O.[CH2:16]([O:23][C:24]([NH:26][NH2:27])=[O:25])[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F>C(Cl)Cl.CCOCC>[CH2:16]([O:23][C:24]([NH:26][NH:27][C:12]([C:7]1[S:8][C:9]([CH3:11])=[C:10]2[C:6]=1[CH2:5][CH:4]1[C:2]([CH3:1])([CH3:15])[CH:3]12)=[O:14])=[O:25])[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1
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참가 물질

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반응물 4

HCID 79242Benzyl carbazateHCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 57892448(1aS,5aR)-1,1,2-trimethyl-1,1a,5,5a-tetrahydro-3-thia-cyclopropa[a]pentalene-4-carboxylic acid

생성물 1

HCID 67520612N'-(1,1,2-trimethyl-1,1a,5,5a-tetrahydro-3-thia-cyclopropa[a]pentalene-4-carbonyl)-hydrazinecarboxylic acid benzyl ester

시약·촉매·용매 2

HCID 3283Diethyl Ether용매HCID 6344Dichloromethane용매

실험 절차

To a solution of (1aS,5aR)-1,1,2-trimethyl-1,1a,5,5a-tetrahydro-3-thia-cyclopropa[a]pentalene-4-carboxylic acid (2.2 g, 9.9 mmol), hydrazinecarboxylic acid benzyl ester (3.38 g, 20.4 mmol) and DIPEA (2 mL) in DCM (50 mL) is added TBTU (3.2 g, 10 mmol). The mixture is stirred at rt for 20 h. The mixture is diluted with Et2O (200 mL) and extracted with 1M aq. NaOH (3×50 mL) and 1M aq. HCl (2×50 mL). The organic phase is dried (Na2SO4), filtered and evaporated to give crude N′-(1,1,2-trimethyl-1,1a,5,5a-tetrahydro-3-thia-cyclopropa[a]pentalene-4-carbonyl)-hydrazinecarboxylic acid benzyl ester; LC-MS: tR=1.01 min, [M+1]+=371.25.

후처리

  1. extractionextracted with 1M aq. NaOH (3×50 mL) and 1M aq. HCl (2×50 mL)
  2. dry with materialThe organic phase is dried (Na2SO4)
  3. filtrationfiltered
  4. customevaporated

출처 및 근거

ORD 기록
ord-f7f3f9bd0949405f8d5719781c8bed9d
출처 데이터셋
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08697732B2

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